Home / 89,813,799.09-123,942,795.57-50,120,905.62

Finding the Fourth Proportional to 89,813,799.09, 123,942,795.57 and 50,120,905.62

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Solution

The fourth proportional to 89,813,799.09, 123,942,795.57 and 50,120,905.62 is: 69,166,711.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,813,799.09 : 123,942,795.57 = 50,120,905.62 : x
  2. Step 2: Convert to fraction form
    89,813,799.09/123,942,795.57 = 50,120,905.62/x
  3. Step 3: Cross multiply
    89,813,799.09x = 123,942,795.57 × 50,120,905.62
  4. Step 4: Simplify right side
    89,813,799.09x = 6,212,125,159,042,923
  5. Step 5: Solve for x
    x = 6,212,125,159,042,923/89,813,799.09
  6. Step 6: Final answer
    x = 69,166,711.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.